1816-8949
1816-8949
S1816-89492017000300041
10.18004/anales/2017.050(03)41-054
Paraguay
Argentina
Paraguay
Paraguay
00
12
2017
00
12
2017
50
3
41
54
[
1989
96
889-92
]
[
2012
32
6
6
1805-27
]
[
2016
]
[
2007
188
6
6
1577-158
]
[
2001
13
6
6
850-5
]
[
1992
185
1
1
207-12
]
[
2011
197
1
1
256-62
]
[
2000
20
1539-49
]
[
2003
180
1621-31
]
[
2001
177
1307-11
]
[
2007
17
1
1
188-96
]
[
1996
88
3
3
394-8
]
[
2009
19
7
7
1565-74
]
[
2011
21
5
5
945-50
]
[
2012
Version 3
]
[
2007
188
6
6
1577-87
]
[
1995
19
766-72
]
[
]
[
1999
212
32
32
711-8
]
[
1987
162
297-305
]
[
1991
179
829-32
]
[
2004
231
372-8
]
[
1992
185
207-12
]
[
2000
175
171-6
]
[
1989
96
889-92
]
[
]
[
]
[
2014
34
4
4
1082
]